Added new cvar: sv_fullredirect.

This cvar will cause connecting clients to instead connect to the ip:port specified in the cvar whenever the server is full. Must be a full globally-routable ip and port.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@3899 fc73d0e0-1445-4013-8a0c-d673dee63da5

engine/server/server.h

@@ -331,6 +331,7 @@ typedef struct client_s
 	client_conn_state_t	state;
 
 	int				spectator;			// non-interactive
+	int				redirect;
 
 	qboolean		sendinfo;			// at end of frame, send info to all
 										// this prevents malicious multiple broadcasts

engine/server/sv_main.c

@@ -532,10 +532,13 @@ void SV_DropClient (client_t *drop)
 		Z_Free(drop->centerprintstring);
 	drop->centerprintstring = NULL;
 
-	if (drop->spectator)
-		Con_Printf ("Spectator %s removed\n",drop->name);
-	else
-		Con_Printf ("Client %s removed\n",drop->name);
+	if (!drop->redirect)
+	{
+		if (drop->spectator)
+			Con_Printf ("Spectator %s removed\n",drop->name);
+		else
+			Con_Printf ("Client %s removed\n",drop->name);
+	}
 
 	if (drop->download)
 	{
@@ -1674,6 +1677,7 @@ client_t *SVC_DirectConnect(void)
 	int			challenge;
 	int			huffcrc = 0;
 	char guid[128] = "";
+	qboolean	redirect = false;
 
 	int maxpacketentities;
 
@@ -2096,8 +2100,20 @@ client_t *SVC_DirectConnect(void)
 		if (svprogfuncs)
 		{
 			if (spectator && spectators >= maxspectators.ival)
-				newcl = NULL;
+				redirect = true;
 			if (!spectator && clients >= maxclients.ival)
+				redirect = true;
+		}
+		else
+		{
+			if (clients >= maxclients.ival)
+				redirect = true;
+		}
+
+		if (redirect)
+		{
+			extern cvar_t sv_fullredirect;
+			if (!*sv_fullredirect.string)
 				newcl = NULL;
 		}
 
@@ -2383,7 +2399,10 @@ client_t *SVC_DirectConnect(void)
 	{
 		SV_AcceptMessage (protocol);
 
-		if (newcl->spectator)
+		if (redirect)
+		{
+		}
+		else if (newcl->spectator)
 		{
 			SV_BroadcastTPrintf(PRINT_LOW, STL_SPECTATORCONNECTED, newcl->name);
 //			Con_Printf ("Spectator %s connected\n", newcl->name);
@@ -2409,10 +2428,15 @@ client_t *SVC_DirectConnect(void)
 	}
 	newcl->sendinfo = true;
 
-	for (i = 0; i < sizeof(sv_motd)/sizeof(sv_motd[0]); i++)
+	if (redirect)
+		numssclients = 1;
+	else
 	{
-		if (*sv_motd[i].string)
-			SV_ClientPrintf(newcl, PRINT_CHAT, "%s\n", sv_motd[i].string);
+		for (i = 0; i < sizeof(sv_motd)/sizeof(sv_motd[0]); i++)
+		{
+			if (*sv_motd[i].string)
+				SV_ClientPrintf(newcl, PRINT_CHAT, "%s\n", sv_motd[i].string);
+		}
 	}
 
 	SV_CheckRecentCrashes(newcl);
@@ -2482,10 +2506,12 @@ client_t *SVC_DirectConnect(void)
 	}
 	newcl->controller = NULL;
 
+	if (!redirect)
+	{
+		Sys_ServerActivity();
 
-	Sys_ServerActivity();
-
-	PIN_ShowMessages(newcl);
+		PIN_ShowMessages(newcl);
+	}
 
 	if (ISNQCLIENT(newcl))
 	{
@@ -2494,6 +2520,7 @@ client_t *SVC_DirectConnect(void)
 		SVNQ_New_f();
 	}
 
+	newcl->redirect = redirect;
 
 
 	return newcl;

engine/server/sv_user.c

@@ -44,6 +44,7 @@ cvar_t	sv_spectalk	= SCVAR("sv_spectalk", "1");
 
 cvar_t	sv_mapcheck	= SCVAR("sv_mapcheck", "1");
 
+cvar_t	sv_fullredirect = CVARD("sv_fullredirect", "", "This is the ip:port to redirect players to when the server is full");
 cvar_t	sv_antilag			= CVARFD("sv_antilag", "1", CVAR_SERVERINFO, "Attempt to backdate impacts to compensate for lag. 0=completely off. 1=mod-controlled. 2=forced, which might break certain uses of traceline.");
 cvar_t	sv_antilag_frac		= CVARF("sv_antilag_frac", "1", CVAR_SERVERINFO);
 cvar_t	sv_cheatpc				= CVAR("sv_cheatpc", "125");
@@ -218,6 +219,14 @@ void SV_New_f (void)
 	if (host_client->state == cs_spawned)
 		return;
 
+	if (host_client->redirect)
+	{
+		char *msg = va("connect \"%s\"\n", sv_fullredirect.string);
+		ClientReliableWrite_Begin (host_client, svc_stufftext, 2+strlen(msg));
+		ClientReliableWrite_String (host_client, msg);
+		return;
+	}
+
 /*	splitt delay
 	host_client->state = cs_connected;
 	host_client->connection_started = realtime;
@@ -406,6 +415,14 @@ void SVNQ_New_f (void)
 	char			message[2048];
 	int i;
 
+	if (host_client->redirect)
+	{
+		char *msg = va("connect \"%s\"\n", sv_fullredirect.string);
+		ClientReliableWrite_Begin (host_client, svc_stufftext, 2+strlen(msg));
+		ClientReliableWrite_String (host_client, msg);
+		return;
+	}
+
 	if (!host_client->pextknown)
 	{
 		MSG_WriteByte (&host_client->netchan.message, svc_stufftext);
@@ -3252,9 +3269,16 @@ The client is going to disconnect, so remove the connection immediately
 */
 void SV_Drop_f (void)
 {
+	extern cvar_t sv_fullredirect;
+
 	SV_EndRedirect ();
-	if (!host_client->spectator)
-		SV_BroadcastTPrintf (PRINT_HIGH, STL_CLIENTDROPPED, host_client->name);
+	if (host_client->redirect)
+		SV_BroadcastPrintf (PRINT_HIGH, "%s redirected to %s\n", host_client->name, sv_fullredirect.string);
+	else
+	{
+		if (!host_client->spectator)
+			SV_BroadcastTPrintf (PRINT_HIGH, STL_CLIENTDROPPED, host_client->name);
+	}
 	SV_DropClient (host_client);
 }
 
@@ -6562,6 +6586,7 @@ void SV_UserInit (void)
 	Cvar_Register (&sv_spectalk, cvargroup_servercontrol);
 	Cvar_Register (&sv_mapcheck, cvargroup_servercontrol);
 
+	Cvar_Register (&sv_fullredirect, cvargroup_servercontrol);
 	Cvar_Register (&sv_antilag, cvargroup_servercontrol);
 	Cvar_Register (&sv_antilag_frac, cvargroup_servercontrol);
 	Cvar_Register (&sv_cheatpc, cvargroup_servercontrol);